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SoShapeHintsElement.h
00001 #ifndef COIN_SOSHAPEHINTSELEMENT_H
00002 #define COIN_SOSHAPEHINTSELEMENT_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/elements/SoSubElement.h>
00028 
00029 class COIN_DLL_API SoShapeHintsElement : public SoElement {
00030   typedef SoElement inherited;
00031 
00032   SO_ELEMENT_HEADER(SoShapeHintsElement);
00033 public:
00034   static void initClass(void);
00035 protected:
00036   virtual ~SoShapeHintsElement();
00037 
00038 public:
00039   enum VertexOrdering {
00040     UNKNOWN_ORDERING,
00041     CLOCKWISE,
00042     COUNTERCLOCKWISE,
00043     ORDERING_AS_IS
00044   };
00045 
00046   enum ShapeType {
00047     UNKNOWN_SHAPE_TYPE,
00048     SOLID,
00049     SHAPE_TYPE_AS_IS
00050   };
00051 
00052   enum FaceType {
00053     UNKNOWN_FACE_TYPE,
00054     CONVEX,
00055     FACE_TYPE_AS_IS
00056   };
00057 
00058   virtual void init(SoState * state);
00059   virtual void push(SoState * state);
00060   virtual void pop(SoState * state, const SoElement * prevtopelement);
00061 
00062   virtual SbBool matches(const SoElement * element) const;
00063   virtual SoElement *copyMatchInfo(void) const;
00064 
00065   static void set(SoState * const state, SoNode * const node,
00066                   const VertexOrdering vertexOrdering,
00067                   const ShapeType shapeType, const FaceType faceType);
00068   static void set(SoState * const state,
00069                   const VertexOrdering vertexOrdering,
00070                   const ShapeType shapeType, const FaceType faceType);
00071   static void get(SoState * const state, VertexOrdering & vertexOrdering,
00072                   ShapeType & shapeType, FaceType & faceType);
00073 
00074   static VertexOrdering getVertexOrdering(SoState * const state);
00075   static ShapeType getShapeType(SoState * const state);
00076   static FaceType getFaceType(SoState * const state);
00077 
00078   static VertexOrdering getDefaultVertexOrdering();
00079   static ShapeType getDefaultShapeType();
00080   static FaceType getDefaultFaceType();
00081 
00082   virtual void print(FILE * file) const;
00083 
00084 protected:
00085   void updateLazyElement(SoState * state);
00086   virtual void setElt(VertexOrdering vertexOrdering,
00087                       ShapeType shapeType, FaceType faceType);
00088 
00089   VertexOrdering vertexOrdering;
00090   ShapeType shapeType;
00091   FaceType faceType;
00092 
00093 };
00094 
00095 #endif // !COIN_SOSHAPEHINTSELEMENT_H

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